Summary of Oakland HMA Sub-Basin 85-211 Sanitary Sewer Rehabilitation Project

This document is a Hydraulic Modeling Analysis (HMA) report prepared for the City of Oakland, California, in support of the sanitary sewer rehabilitation project for Sub-Basin 85-211. The project involves the rehabilitation of approximately 16,805 linear feet of existing sanitary sewer pipes ranging from 8 to 15 inches in diameter through pipe-expanding methods and open trench rehabilitation, along with the reconstruction of sewer structures and house sewer connections. The HMA report provides technical analysis and modeling to support the design and construction specifications for the referenced rehabilitation work identified under NTB Project No. 1008042. The scope encompasses detailed hydraulic evaluation of the sub-basin to ensure proper system performance following rehabilitation activities and to confirm that the proposed improvements meet the City's operational and regulatory requirements.

The HMA analysis serves as critical supporting documentation for project planning and bidding purposes, establishing baseline hydraulic conditions and projected post-rehabilitation performance standards. This technical analysis is essential for contractors preparing bids, engineers verifying design adequacy, and City officials overseeing construction quality and compliance. The document provides the engineering foundation necessary to validate construction methodologies, confirm material specifications, and ensure that all rehabilitation work meets City of Oakland standards and applicable California regulatory requirements for sanitary sewer systems.